/Engine/Plugins/FX/Niagara/Source/Niagara/Public/NiagaraDebuggerCommon.h
Messaged broadcast from debugger to request a connection to a particular session. If any matching client is found and it accepts, it will return aFNiagaraDebuggerAcceptConnectionmessage to the sender.
[USTRUCT](Programming/UnrealArchitecture/Reference/Structs)() struct FNiagaraDebuggerRequestConnection
FGuid
InstanceId
FGuid
SessionId